Updated on October 16, 2022

·

Created on October 21, 2020

E-Crete

Upcoming Update

E-Crete is made of fly ash (by-product of burning coal at a power station), slag (the by-product of steel manufacturing), and geopolymer.

Developed By Unknown
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Author

Product Description

E-Crete uses industrial by-products and geopolymer to produce concrete. It has been found to reduce COby at least 60% compared to Ordinary Portland Cement.

Distributors / Implementing Organizations

Manufacturing/Building Method

E-Crete is a mixture of fly ash, slag, and geopolymer, and it can be used similarly to traditional Portland cement-based concrete.

Intellectural Property Type

Patent Protected

User Provision Model

Users can obtain the product/service from Zeobond group website.

Distributions to Date Status

+10 projects

Self-supported structure? (yes/no)

Yes

Primary material

Fly ash, slag, and geopolymer

Compressive strength (MPa)

55 MPa

Lateral load (MPa)

Unknown

Complementary equipment

Conventional concrete tool

Max. number of storeys (#)

N/A

Suitable climates

All climates

Method complexity

N/A

Training programs

None

Design Specifications

E-Crete is specified by 25, 32, 40 and 55 MPa, and it reduces the embedded carbon dioxide of concrete by at least 60% compared to Ordinary Portland Cement.

Technical Support

Email Contact: info@zeobond.com

Replacement Components

None

Lifecycle

LCA conducted shows e-crete reduces the CO2 footprint of cement by 80%

Manufacturer Specified Performance Parameters

Manufacturer specified performance targets include reducing embedded CO2 of the concrete as well as having a fire rating of over 4 hours.

Vetted Performance Status

Strength development profiles for E-Crete™ can achieve the nominal values of 20, 25, 32, 40, and 50 MPa within 100 days.

Safety

No known safety hazards are related to this product

Complementary Technical Systems

Academic Research and References

San Nicolas, R., Walkley, B., Van Deventer, J.,  2019, Portland and other cements. Komar Kawatra, .; Young, A. (Ed.) SME Mineral Processing and Extractive Metallurgy Handbook. USA. Society for Mining, Metallurgy & Exploration. pp: 2013-2030.

San Nicolas, RVR., Walkley, B., Van Deventer, JSJ., 2017, Fly ash-based geopolymer chemistry and behavior. Coal Combustion Products (CCPs): Characteristics, Utilization and Beneficiation. Elsevier. pp: 185-214.

Bernal, S. A., San Nicolas, R., Van Deventer, JSJ., Provis, JL., 2016, Alkali-activated slag cements produced with a blended sodium carbonate/sodium silicate activator. Advances in Cement Research ICE PUBLISHING. pp: 262-273.

Bernal, S. A., Provis, J. L., Myers, R. J., San Nicolas, R., Van Deventer, J. S. J., 2015, Role of carbonates in the chemical evolution of sodium carbonate-activated slag binders. Materials and Structures SPRINGER. pp: 517-529.

Kashani, A., San Nicolas, R., Qiao, G. G., Van Deventer, J. S. J., Provis, J. L., 2014, Modelling the yield stress of ternary cement-slag-fly ash pastes based on particle size distribution. Powder Technology ELSEVIER SCIENCE BV. pp: 203-209.

Hardjito, D., Wallah, S. E., Sumajouw, D. M., & Rangan, B. V., 2004, On the development of fly ash-based geopolymer concrete. Materials Journal, 101(6), pp. 467-472.

Lee, W. K. W., & Van Deventer, J. S. J., 2007, Chemical interactions between siliceous aggregates and low-Ca alkali-activated cements. Cement and Concrete Research, 37(6), pp. 844-855.

Duxson, P., Lukey, G. C., & van Deventer, J. S., 2007, The thermal evolution of metakaolin geopolymers: Part 2–Phase stability and structural development. Journal of non-crystalline solids, 353(22-23), pp. 2186-2200.

Yong, S. L., Feng, D. W., Lukey, G. C., & Van Deventer, J. S. J., 2007, Chemical characterisation of the steel–geopolymeric gel interface. Colloids and Surfaces A: Physicochemical and Engineering Aspects, 302(1-3), pp. 411-423.

Provis, J. L., & Van Deventer, J. S. J., 2007, Geopolymerisation kinetics. 2. Reaction kinetic modelling. Chemical engineering science, 62(9), pp. 2318-2329.

Provis, J. L., & Van Deventer, J. S., 2007, Geopolymerisation kinetics. 1. In situ energy-dispersive X-ray diffractometry. Chemical engineering science, 62(9), pp. 2309-2317.

 

Compliance with regulations

Other Information

None

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